def socketio(request):
"""
Socket.IO handler - maintains the lifecycle of a Socket.IO
request, sending the each of the events. Also handles
adding/removing request/socket pairs to the CLIENTS dict
which is used for sending on_finish events when the server
stops.
"""
context = {}
socket = SocketIOChannelProxy(request.environ["socketio"])
client_start(request, socket, context)
try:
if socket.session.connected:
events.on_connect.send(request, socket, context)
while True:
message = socket.receive()
print 'Message = %s' % str(message)
if not message and not socket.session.connected:
events.on_disconnect.send(request, socket, context)
break
# Subscribe and unsubscribe messages are in two parts, the
# name of either and the channel, so we use an iterator that
# lets us jump a step in iteration to grab the channel name
# for these.
if not message: break
if message['type'] == 'event':
# Handle socket.emit(event, data) semantics from the client.
if message['name'] == '__subscribe__':
# To subscribe on the client: socket.emit('__subscribe__', 'ch1', 'ch2')
for channel in message['args']:
socket.subscribe(channel)
events.on_subscribe.send(request, socket, context, channel)
log_message = format_log(request, 'subscribe', message['args'])
elif message['name'] == '__unsubscribe__':
# To unsubscribe on the client: socket.emit('__unsubscribe__', 'ch1', 'ch2')
for channel in message['args']:
socket.unsubscribe(channel)
events.on_unsubscribe.send(request, socket, context, channel)
log_message = format_log(request, 'unsubscribe', message['args'])
else:
events.on_message.send(request, socket, context, message)
log_message = format_log(request, '***Unkown Event***', message)
elif message['type'] == 'message':
# Handle WebSocket semantics using socket.send(data) on the client.
events.on_message.send(request, socket, context, message['data'])
log_message = format_log(request, message['type'], message['data'])
else:
print 'Unkown message type. Message = %s' % str(message)
log_message = format_log(request, '***Unknown Type***', message)
if log_message:
socket.handler.server.log.write(log_message)
except Exception, exception:
from traceback import print_exc
print_exc()
events.on_error.send(request, socket, context, exception)
def socketio(request):
"""
Socket.IO handler - maintains the lifecycle of a Socket.IO
request, sending the each of the events. Also handles
adding/removing request/socket pairs to the CLIENTS dict
which is used for sending on_finish events when the server
stops.
"""
context = {}
socket = SocketIOChannelProxy(request.environ["socketio"])
client_start(request, socket, context)
try:
if socket.on_connect():
events.on_connect.send(request, socket, context)
while True:
messages = socket.recv()
if not messages and not socket.connected():
events.on_disconnect.send(request, socket, context)
break
# Subscribe and unsubscribe messages are in two parts, the
# name of either and the channel, so we use an iterator that
# lets us jump a step in iteration to grab the channel name
# for these.
messages = iter(messages)
for message in messages:
if message == "__subscribe__":
message = messages.next()
message_type = "subscribe"
socket.subscribe(message)
events.on_subscribe.send(request, socket, context, message)
elif message == "__unsubscribe__":
message = messages.next()
message_type = "unsubscribe"
socket.unsubscribe(message)
events.on_unsubscribe.send(request, socket, context,
message)
else:
# Socket.IO sends arrays as individual messages, so
# they're put into an object in socketio_scripts.html
# and given the __array__ key so that they can be
# handled consistently in the on_message event.
message_type = "message"
if message == "__array__":
message = messages.next()
events.on_message.send(request, socket, context, message)
log_message = format_log(request, message_type, message)
if log_message:
socket.handler.server.log.write(log_message)
except Exception as exception:
from traceback import print_exc
print_exc()
events.on_error.send(request, socket, context, exception)
client_end(request, socket, context)
return HttpResponse("")
def socketio(request):
"""
Socket.IO handler - maintains the lifecycle of a Socket.IO
request, sending the each of the events. Also handles
adding/removing request/socket pairs to the CLIENTS dict
which is used for sending on_finish events when the server
stops.
"""
context = {}
socket = SocketIOChannelProxy(request.environ["socketio"])
client_start(request, socket, context)
try:
if socket.on_connect():
events.on_connect.send(request, socket, context)
while True:
messages = socket.recv()
if not messages and not socket.connected():
events.on_disconnect.send(request, socket, context)
break
# Subscribe and unsubscribe messages are in two parts, the
# name of either and the channel, so we use an iterator that
# lets us jump a step in iteration to grab the channel name
# for these.
messages = iter(messages)
for message in messages:
if message == "__subscribe__":
message = messages.next()
message_type = "subscribe"
socket.subscribe(message)
events.on_subscribe.send(request, socket, context, message)
elif message == "__unsubscribe__":
message = messages.next()
message_type = "unsubscribe"
socket.unsubscribe(message)
events.on_unsubscribe.send(request, socket, context, message)
else:
# Socket.IO sends arrays as individual messages, so
# they're put into an object in socketio_scripts.html
# and given the __array__ key so that they can be
# handled consistently in the on_message event.
message_type = "message"
if message == "__array__":
message = messages.next()
events.on_message.send(request, socket, context, message)
log_message = format_log(request, message_type, message)
print log_message
if log_message:
socket.handler.server.log.write(log_message)
except Exception, exception:
from traceback import print_exc
print_exc()
events.on_error.send(request, socket, context, exception)
def socketio(request):
"""
Socket.IO handler - maintains the lifecycle of a Socket.IO
request, sending the each of the events. Also handles
adding/removing request/socket pairs to the CLIENTS dict
which is used for sending on_finish events when the server
stops.
"""
context = {}
socket = SocketIOChannelProxy(request.environ["socketio"])
client_start(request, socket, context)
try:
if socket.session.connected:
events.on_connect.send(request, socket, context)
while True:
message = socket.receive()
print 'Message = %s' % str(message)
if not message and not socket.session.connected:
events.on_disconnect.send(request, socket, context)
break
# Subscribe and unsubscribe messages are in two parts, the
# name of either and the channel, so we use an iterator that
# lets us jump a step in iteration to grab the channel name
# for these.
if not message: break
if message['type'] == 'event':
# Handle socket.emit(event, data) semantics from the client.
if message['name'] == '__subscribe__':
# To subscribe on the client: socket.emit('__subscribe__', 'ch1', 'ch2')
for channel in message['args']:
socket.subscribe(channel)
events.on_subscribe.send(request, socket, context,
channel)
log_message = format_log(request, 'subscribe',
message['args'])
elif message['name'] == '__unsubscribe__':
# To unsubscribe on the client: socket.emit('__unsubscribe__', 'ch1', 'ch2')
for channel in message['args']:
socket.unsubscribe(channel)
events.on_unsubscribe.send(request, socket, context,
channel)
log_message = format_log(request, 'unsubscribe',
message['args'])
else:
events.on_message.send(request, socket, context, message)
log_message = format_log(request, '***Unkown Event***',
message)
elif message['type'] == 'message':
# Handle WebSocket semantics using socket.send(data) on the client.
events.on_message.send(request, socket, context,
message['data'])
log_message = format_log(request, message['type'],
message['data'])
else:
print 'Unkown message type. Message = %s' % str(message)
log_message = format_log(request, '***Unknown Type***',
message)
if log_message:
socket.handler.server.log.write(log_message)
except Exception, exception:
from traceback import print_exc
print_exc()
events.on_error.send(request, socket, context, exception)
